Size: 7 1/2"
Male: (Shown) A glossy black bird, reminiscent of a Red-winged Blackbird. Chocolate brown head with a pointed, sharp gray bill.
Female: Dull brown bird with bill similar to male.
Juvenile: Similar to female, only dull gray in color with a streaked chest.
Nest: No nest. Lays eggs in the nests of other birds. Brood size varies widely.
Eggs: 5-7; bluish with brown markings
Incubation: 10-13 days; host bird incubates eggs
Fledging: 10-11 days; host bird feeds young
Migration: The Brown-headed Cowbird can be found in St. Charles County year round.
Food: Insects, seeds, and will come to seed feeders.